GB2333988B - Production of plastics sheet material - Google Patents

Production of plastics sheet material

Info

Publication number
GB2333988B
GB2333988B GB9802994A GB9802994A GB2333988B GB 2333988 B GB2333988 B GB 2333988B GB 9802994 A GB9802994 A GB 9802994A GB 9802994 A GB9802994 A GB 9802994A GB 2333988 B GB2333988 B GB 2333988B
Authority
GB
United Kingdom
Prior art keywords
production
sheet material
plastics sheet
plastics
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9802994A
Other versions
GB9802994D0 (en
GB2333988A (en
Inventor
James Mcgee
Roy Lowe
Dennis Collins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Athlone Extrusions Development Ltd
Original Assignee
Athlone Extrusions Development Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Athlone Extrusions Development Ltd filed Critical Athlone Extrusions Development Ltd
Publication of GB9802994D0 publication Critical patent/GB9802994D0/en
Publication of GB2333988A publication Critical patent/GB2333988A/en
Application granted granted Critical
Publication of GB2333988B publication Critical patent/GB2333988B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/02—Dispensing from vessels, e.g. hoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/62—Gates or closures having closure members movable out of the plane of the opening
    • B65D90/623—Gates or closures having closure members movable out of the plane of the opening having a rotational motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02—Deburring or deflashing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/286—Raw material dosing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Robotics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB9802994A 1998-02-06 1998-02-13 Production of plastics sheet material Expired - Lifetime GB2333988B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE980079A IE980079A1 (en) 1998-02-06 1998-02-06 Production of Plastics Sheet Material

Publications (3)

Publication Number Publication Date
GB9802994D0 GB9802994D0 (en) 1998-04-08
GB2333988A GB2333988A (en) 1999-08-11
GB2333988B true GB2333988B (en) 2002-09-18

Family

ID=11041704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9802994A Expired - Lifetime GB2333988B (en) 1998-02-06 1998-02-13 Production of plastics sheet material

Country Status (2)

Country Link
GB (1) GB2333988B (en)
IE (1) IE980079A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0117644D0 (en) * 2001-07-19 2001-09-12 Jackel Int Ltd Steriliser

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976730A (en) * 1972-03-23 1976-08-24 Deerfield Plastics Co., Inc. Method of employing a high percentage of reground thermoplastic scrap resin in an extruder
GB2008421A (en) * 1977-11-04 1979-06-06 Standard Oil Co On-line reclamation of oriented and unoriented plastics material
EP0472924A2 (en) * 1990-08-29 1992-03-04 WindmÀ¶ller & Hölscher Method and apparatus for the feeding of a free-flowing material into the inlet port of a processing machine
EP0505618A1 (en) * 1991-03-27 1992-09-30 WindmÀ¶ller & Hölscher Process and device for determining the mass flow rate removed by an extruder out of a feed hopper
EP0599047A1 (en) * 1992-11-23 1994-06-01 Windmöller & Hölscher Process for determining the mass flow rate removed by an extruder out of a feed hopper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976730A (en) * 1972-03-23 1976-08-24 Deerfield Plastics Co., Inc. Method of employing a high percentage of reground thermoplastic scrap resin in an extruder
GB2008421A (en) * 1977-11-04 1979-06-06 Standard Oil Co On-line reclamation of oriented and unoriented plastics material
EP0472924A2 (en) * 1990-08-29 1992-03-04 WindmÀ¶ller & Hölscher Method and apparatus for the feeding of a free-flowing material into the inlet port of a processing machine
EP0505618A1 (en) * 1991-03-27 1992-09-30 WindmÀ¶ller & Hölscher Process and device for determining the mass flow rate removed by an extruder out of a feed hopper
EP0599047A1 (en) * 1992-11-23 1994-06-01 Windmöller & Hölscher Process for determining the mass flow rate removed by an extruder out of a feed hopper

Also Published As

Publication number Publication date
GB9802994D0 (en) 1998-04-08
GB2333988A (en) 1999-08-11
IE980079A1 (en) 1999-08-11

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20180212